Each time you take a step, 200 muscles work in unison to lift your foot, propel it forward, and set it down. It’s just one of the many thousands of tasks performed by the muscular system. This network of over 650 muscles covers the body and is the reason we

Across the whole planet, humans eat on average between one and 2.7 kilograms of food a day. That’s over 365 kilograms a year per person, and more than 28,800 kilograms over the course of a lifetime. And every last scrap makes its way through the digestive system. Comprised of ten

Many of us have hundreds of things on our minds at any moment, often struggling to keep track of everything we need to do. But fortunately, there’s one important thing we don’t have to worry about remembering: breathing. When you breathe, you transport oxygen to the body’s cells to keep